Question

Classify the following processes as either exothermic or endothermic:
A) CH4(g) + 2O2(g) → CO2(g) + 2 H2O(l)
B) CO2(s) → CO2(g)
C) H2O(l) → H2O(g)
D) H2O(l) → H2O(s)
E) CO(g) → C(g) + O(g)
F) Na+(aq) + Cl-(aq) → NaCl(s)